Here you can find the source of getElementName(Class> clazz)
static private String getElementName(Class<?> clazz)
//package com.java2s; /*/*from ww w .j a v a 2s .com*/ * Copyright (c) 2014 Villu Ruusmann * * This file is part of JPMML-Evaluator * * JPMML-Evaluator is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JPMML-Evaluator is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with JPMML-Evaluator. If not, see <http://www.gnu.org/licenses/>. */ import javax.xml.bind.annotation.XmlRootElement; public class Main { static private String getElementName(Class<?> clazz) { while (clazz != null) { XmlRootElement rootElement = clazz.getAnnotation(XmlRootElement.class); if (rootElement != null) { return rootElement.name(); } clazz = clazz.getSuperclass(); } throw new RuntimeException(); } }